<!--
 * @: 
 * @Version: 1.0
 * @Autor: ziwei
 * @Date: 2022-03-10 14:15:23
 * @LastEditors: ziwei
 * @LastEditTime: 2022-03-11 16:14:55
-->
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>lighthouse</title>
  <link rel='preload' as="style" href='main.css'>
  <style>
    @keyframes grow {
      from{
        height: 200px;
        /* transform: scaleY(0); */
      }

      to{
        height: 500px;
      }
    }
    #avatar{
      animation: grow 3s infinite;
    }
  </style>
</head>
<body>
  <div>hello</div>
  <img id="avatar" style="width: 100px;height: 100px;"/>
  <script src='/perf.js'></script>
</body>
</html>